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<FONT color="green">001</FONT>    package org.hackystat.telemetry.service.resource.chart;<a name="line.1"></a>
<FONT color="green">002</FONT>    <a name="line.2"></a>
<FONT color="green">003</FONT>    import java.io.StringWriter;<a name="line.3"></a>
<FONT color="green">004</FONT>    <a name="line.4"></a>
<FONT color="green">005</FONT>    import javax.xml.bind.JAXBContext;<a name="line.5"></a>
<FONT color="green">006</FONT>    import javax.xml.bind.Marshaller;<a name="line.6"></a>
<FONT color="green">007</FONT>    import javax.xml.parsers.DocumentBuilder;<a name="line.7"></a>
<FONT color="green">008</FONT>    import javax.xml.parsers.DocumentBuilderFactory;<a name="line.8"></a>
<FONT color="green">009</FONT>    import javax.xml.transform.Transformer;<a name="line.9"></a>
<FONT color="green">010</FONT>    import javax.xml.transform.TransformerFactory;<a name="line.10"></a>
<FONT color="green">011</FONT>    import javax.xml.transform.dom.DOMSource;<a name="line.11"></a>
<FONT color="green">012</FONT>    import javax.xml.transform.stream.StreamResult;<a name="line.12"></a>
<FONT color="green">013</FONT>    <a name="line.13"></a>
<FONT color="green">014</FONT>    import org.hackystat.telemetry.service.resource.chart.jaxb.TelemetryChartIndex;<a name="line.14"></a>
<FONT color="green">015</FONT>    import org.hackystat.telemetry.service.resource.chart.jaxb.TelemetryChartRef;<a name="line.15"></a>
<FONT color="green">016</FONT>    import org.hackystat.telemetry.analyzer.configuration.jaxb.TelemetryDefinition;<a name="line.16"></a>
<FONT color="green">017</FONT>    import org.hackystat.telemetry.service.resource.telemetry.TelemetryResource;<a name="line.17"></a>
<FONT color="green">018</FONT>    import org.restlet.Context;<a name="line.18"></a>
<FONT color="green">019</FONT>    import org.restlet.data.MediaType;<a name="line.19"></a>
<FONT color="green">020</FONT>    import org.restlet.data.Request;<a name="line.20"></a>
<FONT color="green">021</FONT>    import org.restlet.data.Response;<a name="line.21"></a>
<FONT color="green">022</FONT>    import org.restlet.resource.Representation;<a name="line.22"></a>
<FONT color="green">023</FONT>    import org.restlet.resource.Variant;<a name="line.23"></a>
<FONT color="green">024</FONT>    import org.w3c.dom.Document;<a name="line.24"></a>
<FONT color="green">025</FONT>    <a name="line.25"></a>
<FONT color="green">026</FONT>    /**<a name="line.26"></a>
<FONT color="green">027</FONT>     * Processes GET {host}/charts and returns a TelemetryChartIndex representation. <a name="line.27"></a>
<FONT color="green">028</FONT>     * Requires the authenticated user to be {email} or else the Admin user for the sensorbase connected<a name="line.28"></a>
<FONT color="green">029</FONT>     * to this service.<a name="line.29"></a>
<FONT color="green">030</FONT>     * <a name="line.30"></a>
<FONT color="green">031</FONT>     * @author Philip Johnson<a name="line.31"></a>
<FONT color="green">032</FONT>     */<a name="line.32"></a>
<FONT color="green">033</FONT>    public class ChartsResource extends TelemetryResource {<a name="line.33"></a>
<FONT color="green">034</FONT>      <a name="line.34"></a>
<FONT color="green">035</FONT>      /**<a name="line.35"></a>
<FONT color="green">036</FONT>       * The standard constructor.<a name="line.36"></a>
<FONT color="green">037</FONT>       * <a name="line.37"></a>
<FONT color="green">038</FONT>       * @param context The context.<a name="line.38"></a>
<FONT color="green">039</FONT>       * @param request The request object.<a name="line.39"></a>
<FONT color="green">040</FONT>       * @param response The response object.<a name="line.40"></a>
<FONT color="green">041</FONT>       */<a name="line.41"></a>
<FONT color="green">042</FONT>      public ChartsResource(Context context, Request request, Response response) {<a name="line.42"></a>
<FONT color="green">043</FONT>        super(context, request, response);<a name="line.43"></a>
<FONT color="green">044</FONT>      }<a name="line.44"></a>
<FONT color="green">045</FONT>    <a name="line.45"></a>
<FONT color="green">046</FONT>      /**<a name="line.46"></a>
<FONT color="green">047</FONT>       * Returns a TelemetryChartIndex instance providing pointers to all defined Charts.<a name="line.47"></a>
<FONT color="green">048</FONT>       * <a name="line.48"></a>
<FONT color="green">049</FONT>       * @param variant The representational variant requested.<a name="line.49"></a>
<FONT color="green">050</FONT>       * @return The representation.<a name="line.50"></a>
<FONT color="green">051</FONT>       */<a name="line.51"></a>
<FONT color="green">052</FONT>      @Override<a name="line.52"></a>
<FONT color="green">053</FONT>      public Representation getRepresentation(Variant variant) {<a name="line.53"></a>
<FONT color="green">054</FONT>        try {<a name="line.54"></a>
<FONT color="green">055</FONT>          if (variant.getMediaType().equals(MediaType.TEXT_XML)) {<a name="line.55"></a>
<FONT color="green">056</FONT>            TelemetryChartIndex index = new TelemetryChartIndex();<a name="line.56"></a>
<FONT color="green">057</FONT>            for (TelemetryDefinition definition : this.getTelemetryDefinitions()) {<a name="line.57"></a>
<FONT color="green">058</FONT>              if (definition.getDefinitionType().equalsIgnoreCase("Chart")) {<a name="line.58"></a>
<FONT color="green">059</FONT>                TelemetryChartRef ref = new TelemetryChartRef();<a name="line.59"></a>
<FONT color="green">060</FONT>                ref.setName(definition.getName());<a name="line.60"></a>
<FONT color="green">061</FONT>                ref.setHref(this.telemetryServer.getHostName() + "chart/" + definition.getName());<a name="line.61"></a>
<FONT color="green">062</FONT>                index.getTelemetryChartRef().add(ref);<a name="line.62"></a>
<FONT color="green">063</FONT>              }<a name="line.63"></a>
<FONT color="green">064</FONT>            }<a name="line.64"></a>
<FONT color="green">065</FONT>            return super.getStringRepresentation(makeChartIndexXml(index));<a name="line.65"></a>
<FONT color="green">066</FONT>          }<a name="line.66"></a>
<FONT color="green">067</FONT>        }<a name="line.67"></a>
<FONT color="green">068</FONT>        catch (Exception e) {<a name="line.68"></a>
<FONT color="green">069</FONT>          setStatusError("Error getting chart definitions", e);<a name="line.69"></a>
<FONT color="green">070</FONT>          return null;<a name="line.70"></a>
<FONT color="green">071</FONT>        }<a name="line.71"></a>
<FONT color="green">072</FONT>        // Shouldn't ever get here.<a name="line.72"></a>
<FONT color="green">073</FONT>        return null;<a name="line.73"></a>
<FONT color="green">074</FONT>      }<a name="line.74"></a>
<FONT color="green">075</FONT>    <a name="line.75"></a>
<FONT color="green">076</FONT>      /**<a name="line.76"></a>
<FONT color="green">077</FONT>       * Returns the passed TelemetryChart instance as a String encoding of its XML representation.<a name="line.77"></a>
<FONT color="green">078</FONT>       * <a name="line.78"></a>
<FONT color="green">079</FONT>       * @param index The SensorData instance.<a name="line.79"></a>
<FONT color="green">080</FONT>       * @return The XML String representation.<a name="line.80"></a>
<FONT color="green">081</FONT>       */<a name="line.81"></a>
<FONT color="green">082</FONT>      private String makeChartIndexXml(TelemetryChartIndex index) {<a name="line.82"></a>
<FONT color="green">083</FONT>        StringWriter writer = new StringWriter();<a name="line.83"></a>
<FONT color="green">084</FONT>        try {<a name="line.84"></a>
<FONT color="green">085</FONT>          JAXBContext jaxbContext = JAXBContext<a name="line.85"></a>
<FONT color="green">086</FONT>          .newInstance(org.hackystat.telemetry.service.resource.chart.jaxb.ObjectFactory.class);<a name="line.86"></a>
<FONT color="green">087</FONT>          Marshaller marshaller = jaxbContext.createMarshaller();<a name="line.87"></a>
<FONT color="green">088</FONT>          DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();<a name="line.88"></a>
<FONT color="green">089</FONT>          dbf.setNamespaceAware(true);<a name="line.89"></a>
<FONT color="green">090</FONT>          DocumentBuilder documentBuilder = dbf.newDocumentBuilder();<a name="line.90"></a>
<FONT color="green">091</FONT>          Document doc = documentBuilder.newDocument();<a name="line.91"></a>
<FONT color="green">092</FONT>          marshaller.marshal(index, doc);<a name="line.92"></a>
<FONT color="green">093</FONT>          DOMSource domSource = new DOMSource(doc);<a name="line.93"></a>
<FONT color="green">094</FONT>          StreamResult result = new StreamResult(writer);<a name="line.94"></a>
<FONT color="green">095</FONT>          TransformerFactory tf = TransformerFactory.newInstance();<a name="line.95"></a>
<FONT color="green">096</FONT>          Transformer transformer = tf.newTransformer();<a name="line.96"></a>
<FONT color="green">097</FONT>          transformer.transform(domSource, result);<a name="line.97"></a>
<FONT color="green">098</FONT>        }<a name="line.98"></a>
<FONT color="green">099</FONT>        catch (Exception e) {<a name="line.99"></a>
<FONT color="green">100</FONT>          System.out.println(e);<a name="line.100"></a>
<FONT color="green">101</FONT>        }<a name="line.101"></a>
<FONT color="green">102</FONT>        return writer.toString();<a name="line.102"></a>
<FONT color="green">103</FONT>      }<a name="line.103"></a>
<FONT color="green">104</FONT>      <a name="line.104"></a>
<FONT color="green">105</FONT>      <a name="line.105"></a>
<FONT color="green">106</FONT>    }<a name="line.106"></a>




























































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